<template>
  <a-popover
    trigger="click"
    placement="bottomRight"
    :autoAdjustOverflow="true"
    :arrowPointAtCenter="true"
    overlayClassName="header-notice-wrapper"
    @visibleChange="handleHoverChange"
    :overlayStyle="{ width: '300px', top: '50px' }">
    <template slot="content">
      <a-spin :spinning="loadding">
        <a-tabs>
          <a-tab-pane :tab="msg1Title" key="1">
            <!--<a-list>
              <a-list-item>
                <a-list-item-meta title="你收到了 14 份新周报" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png"/>
                </a-list-item-meta>
              </a-list-item>
              <a-list-item>
                <a-list-item-meta title="你推荐的 IT大牛 已通过第三轮面试" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/OKJXDXrmkNshAMvwtvhu.png"/>
                </a-list-item-meta>
              </a-list-item>
              <a-list-item>
                <a-list-item-meta title="这种模板可以区分多种通知类型" description="一年前">
                  <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/kISTdvpyTAhtGxpovNWd.png"/>
                </a-list-item-meta>
              </a-list-item>
            </a-list>-->
            <a-list>
              <a-list-item :key="index" v-for="(record, index) in announcement1">
                <div style="margin-left: 5%;width: 80%">
                  <p><a @click="showAnnouncement(record)">{{ record.titile }}</a></p>
                  <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                </div>
                <div style="text-align: right">
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'" color="blue">一般消息</a-tag>
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'M'" color="orange">重要消息</a-tag>
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">紧急消息</a-tag>
                </div>
              </a-list-item>
              <div style="margin-top: 5px;text-align: center">
                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
              </div>
            </a-list>
          </a-tab-pane>
          <a-tab-pane :tab="msg2Title" key="2">
            <a-list>
              <a-list-item :key="index" v-for="(record, index) in announcement2">
                <div style="margin-left: 5%;width: 80%">
                  <p><a @click="showAnnouncement(record)">{{ record.titile }}</a></p>
                  <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                </div>
                <div style="text-align: right">
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'" color="blue">一般消息</a-tag>
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'M'" color="orange">重要消息</a-tag>
                  <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">紧急消息</a-tag>
                </div>
              </a-list-item>
              <div style="margin-top: 5px;text-align: center">
                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
              </div>
            </a-list>
          </a-tab-pane>
        </a-tabs>
      </a-spin>
    </template>
    <span @click="fetchNotice" class="header-notice">
      <a-badge :count="msgTotal">
        <a-icon style="font-size: 16px; padding: 4px" type="bell" />
      </a-badge>
    </span>
    <show-announcement ref="ShowAnnouncement" @ok="modalFormOk"></show-announcement>
    <dynamic-notice ref="showDynamNotice" :path="openPath" :formData="formData" />
  </a-popover>
</template>

<script>
  import { getAction, putAction } from '@/api/manage'
  import ShowAnnouncement from './ShowAnnouncement'
  import store from '@/store/'
  import DynamicNotice from './DynamicNotice'
  import Vue from 'vue'
  import { ACCESS_TOKEN } from '@/store/mutation-types'

  export default {
    name: 'HeaderNotice',
    components: {
      DynamicNotice,
      ShowAnnouncement
    },
    data() {
      return {
        loadding: false,
        url: {
          listCementByUser: '/sys/annountCement/listByUser',
          editCementSend: '/sys/sysAnnouncementSend/editByAnntIdAndUserId',
          queryById: '/sys/annountCement/queryById'
        },
        hovered: false,
        announcement1: [],
        announcement2: [],
        msg1Count: '0',
        msg2Count: '0',
        msg1Title: '通知(0)',
        msg2Title: '',
        stopTimer: false,
        websock: null,
        lockReconnect: false,
        // websocket错误连接次数
        wsConnectErrorTime: 1,
        heartCheck: null,
        formData: {},
        openPath: ''
      }
    },
    computed: {
      msgTotal() {
        return parseInt(this.msg1Count) + parseInt(this.msg2Count)
      }
    },
    mounted() {
      this.loadData()
      // this.timerFun();
      this.initWebSocket()
      // this.heartCheckFun();
    },
    destroyed: function() { // 离开页面生命周期函数
      this.websocketOnclose()
    },
    methods: {
      timerFun() {
        this.stopTimer = false
        let myTimer = setInterval(() => {
          // 停止定时器
          if (this.stopTimer === true) {
            clearInterval(myTimer)
            return
          }
          this.loadData()
        }, 6000)
      },
      loadData() {
        try {
          // 获取系统消息
          getAction(this.url.listCementByUser).then((res) => {
            if (res.success) {
              this.announcement1 = res.result.anntMsgList
              this.msg1Count = res.result.anntMsgTotal
              this.msg1Title = '通知(' + res.result.anntMsgTotal + ')'
              this.announcement2 = res.result.sysMsgList
              this.msg2Count = res.result.sysMsgTotal
              this.msg2Title = '系统消息(' + res.result.sysMsgTotal + ')'
            }
          }).catch(error => {
            console.log('系统消息通知异常', error)// 这行打印permissionName is undefined
            this.stopTimer = true
            console.log('清理timer')
          })
        } catch (err) {
          this.stopTimer = true
          console.log('通知异常', err)
        }
      },
      fetchNotice() {
        if (this.loadding) {
          this.loadding = false
          return
        }
        this.loadding = true
        setTimeout(() => {
          this.loadding = false
        }, 200)
      },
      showAnnouncement(record) {
        putAction(this.url.editCementSend, { anntId: record.id }).then((res) => {
          if (res.success) {
            this.loadData()
          }
        })
        this.hovered = false
        if (record.openType === 'component') {
          this.openPath = record.openPage
          this.formData = { id: record.busId }
          this.$refs.showDynamNotice.detail(record.openPage)
        } else {
          this.$refs.ShowAnnouncement.detail(record)
        }
      },
      toMyAnnouncement() {
        this.$router.push({
          path: '/isps/userAnnouncement'
        })
      },
      modalFormOk() {
      },
      handleHoverChange(visible) {
        this.hovered = visible
      },

      initWebSocket: function() {
        // WebSocket与普通的请求所用协议有所不同，ws等同于http，wss等同于https
        var userId = store.getters.userInfo.id
        var url = window._CONFIG['domianURL'].replace('https://', 'wss://').replace('http://', 'ws://') + '/websocket/' + userId
        // console.log(url);
        // update-begin-author:taoyan date:2022-4-22 for:  v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
        let token = Vue.ls.get(ACCESS_TOKEN)
        this.websock = new WebSocket(url, [token])
        // update-end-author:taoyan date:2022-4-22 for:  v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
        this.websock.onopen = this.websocketOnopen
        this.websock.onerror = this.websocketOnerror
        this.websock.onmessage = this.websocketOnmessage
        this.websock.onclose = this.websocketOnclose
      },
      websocketOnopen: function() {
        console.log('WebSocket连接成功')
        // 心跳检测重置
        // this.heartCheck.reset().start();
      },
      websocketOnerror: function(e) {
        console.log('WebSocket连接发生错误，第%s次', this.wsConnectErrorTime)

        this.wsConnectErrorTime = this.wsConnectErrorTime + 1
        if (this.wsConnectErrorTime > 5) {
          console.log('WebSocket连接错误超过5次，就不再重新连了！')
          this.lockReconnect = true
          return
        }

        this.reconnect()
      },
      websocketOnmessage: function(e) {
        console.log('-----接收消息-------', e.data)
        var data = eval('(' + e.data + ')') // 解析对象
        this.voiceBroadcast(data.msgTxt)
        if (data.cmd == 'topic') {
          // 系统通知
          this.loadData()
        } else if (data.cmd == 'user') {
          // 用户消息
          this.loadData()
        }
        // 心跳检测重置
        // this.heartCheck.reset().start();
      },
      websocketOnclose: function(e) {
        console.log('connection closed (' + e + ')')
        if (e) {
          console.log('connection closed (' + e.code + ')')
        }
        this.reconnect()
      },
      websocketSend(text) { // 数据发送
        try {
          this.websock.send(text)
        } catch (err) {
          console.log('send failed (' + err.code + ')')
        }
      },
      // 语音播报系统通知
      voiceBroadcast(text) {
        var url = 'http://tts.baidu.com/text2audio?lan=zh&ie=UTF-8&text=' + encodeURI(text) // baidu文字转语音
        var voiceContent = new Audio(url)
        voiceContent.src = url
        voiceContent.play()
      },
      openNotification(data) {
        var text = data.msgTxt
        const key = `open${Date.now()}`
        this.$notification.open({
          message: '消息提醒',
          placement: 'bottomRight',
          description: text,
          key,
          btn: (h) => {
            return h('a-button', {
              props: {
                type: 'primary',
                size: 'small'
              },
              on: {
                click: () => this.showDetail(key, data)
              }
            }, '查看详情')
          }
        })
      },

      reconnect() {
        var that = this
        if (that.lockReconnect) return
        that.lockReconnect = true
        // 没连接上会一直重连，设置延迟避免请求过多
        setTimeout(function() {
          console.info('尝试重连...')
          that.initWebSocket()
          that.lockReconnect = false
        }, 20000)
      },
      heartCheckFun() {
        var that = this
        // 心跳检测,每20s心跳一次
        that.heartCheck = {
          timeout: 20000,
          timeoutObj: null,
          serverTimeoutObj: null,
          reset: function() {
            clearTimeout(this.timeoutObj)
            // clearTimeout(this.serverTimeoutObj);
            return this
          },
          start: function() {
            var self = this
            this.timeoutObj = setTimeout(function() {
              // 这里发送一个心跳，后端收到后，返回一个心跳消息，
              // onmessage拿到返回的心跳就说明连接正常
              that.websocketSend('HeartBeat')
              console.info('客户端发送心跳')
              // self.serverTimeoutObj = setTimeout(function(){//如果超过一定时间还没重置，说明后端主动断开了
              //  that.websock.close();//如果onclose会执行reconnect，我们执行ws.close()就行了.如果直接执行reconnect 会触发onclose导致重连两次
              // }, self.timeout)
            }, this.timeout)
          }
        }
      },


      showDetail(key, data) {
        this.$notification.close(key)
        var id = data.msgId
        getAction(this.url.queryById, { id: id }).then((res) => {
          if (res.success) {
            var record = res.result
            this.showAnnouncement(record)
          }
        })
      }
    }
  }
</script>

<style lang="css">
.header-notice-wrapper {
  top: 50px !important;
}
</style>
<style lang="less" scoped>
.header-notice {
  display: inline-block;
  transition: all 0.3s;

  span {
    vertical-align: initial;
  }
}
</style>
